package filter;

import java.io.IOException;

import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import pojo.Customer;

public class SecFilter implements Filter {

    public SecFilter() {
    }

	public void destroy() {
	}

	public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) throws IOException, ServletException {
		HttpServletRequest req = (HttpServletRequest) request;
		HttpServletResponse resp = (HttpServletResponse) response;
		
		Customer c = (Customer) req.getSession().getAttribute("customer");
		
		if (c == null) {
			resp.sendRedirect("../login");
		} else {
			chain.doFilter(request, response);
		}
	}

	public void init(FilterConfig fConfig) throws ServletException {
	}

}
